Fountain-pen.



G. RENTZ. FOUNTAIN PEN. APPLICATION 11.21) AUG.4,1910.

Patented Aug. 20, 1912.

huzmwm To all whom itmay concern;

,. scta, have invented certain ozone xmrrz, or mm. mmmsom.

' FOUNTAZlY-PEK.;

osaics.

Specification getter; Patent. Patented Aug. 20, 1912' Application flte d August}; tsm' Serial 1%. sister.

= zind'lias special reference to a fountain pen called scLf filling pens. fact that in that type ofthe type commonly It is a well known of self filling fountain pen wherein the pin vide a penof this class with to compress the reservoir tions ofparts hereinafter projects from the side and in which an elastic reservoir is arranged inside of the stafl"aricl adapted to be compressed. by a plate carried by said pin, the placing of the pen in the pocket, unless carefullydone, acts the reservoir and consequently eject'the-ink into the pocket of the user.

lr'Theprincipzil object of the present invention is to provide a construction of pen of this class wherein the compressing pin' willbe' so arranged that it cannot be accildntally pushed in by any pressure against the'body or pocket when the pen is thus carried. -Asecond object of the invention is tojproa coacting tool adapted-especially for the compression of ward. 1

-With the ahovean'd other objects in view the invention consists in general of a pen of the class described provided with a'nipple opposite an opening in its statl', said nipple being adapted to contain the; pin used for compressing the reservoir and the pin lying entirely within the nipple under normal conditions.

The invention further consists in certain novel details of construction and combinafully described, illustrated in the accompanying drawings and specifically set forth in the claim.

In the accompanying drawings, like characters of reference indicate like parts in the several views, and r- Figure 1' is an outside view of a pen with thefcap in place. Fig. 2 is a view at right angles to Fig. 1 with the cap removed. Fig. 3 is a section on the line 3--3 of Fig. 2. Fig. 4 a similar section showing the rubber tube collapsed.

by pushing thesaid pin in-.

1 is a 'view of a certain presser bar used with this invention. Fig. 6 is a view of the end of the cap. Fig. 7 is adetail of a n attach-' them for said cap. Fig. 8 is a section on theline 8-8 of Fig. 3. Fig. 9 is a-view of the top of anib holder used with this pen. Fig.- 10 is a view of the bot-tom Fig. 11 is a section on the 'line 11-5-11 of F x-9. 1 '%his pen comprises a cylindrical hollow.

a pens. usualpen point 30 of the ordinary coristruc tion. The holder is provided with a re :duced inner end 1; and on thisinner end is held the open end ofan elastic'reservoir l5, the reservoir preferably being the form of i a rubber tube having oneend closed and the j diameter that when engaged on'the portion 14 it will be frictionally held and will pre-' vent ink from passing out of the reservoir; into the space between said reservoir andqth'e' wall of the staff. with an opening 16 opposite the reservoir and preferably located centrally thereof; 7 Surrounding the staff at this opening a .band 17 from,which projects an annular flange 18, the flange being' pie projecting from said opening. In ini'p ple and opening 16 -to which is connected a compressor bar 29 extending longitudinally of the reservoir' and lving between said reservoirand the plunger 19 and also forms reservoir com; pressing means. The plunger 19 is further more provided with a pin receiving recess 20 in its outer end and this plunger is of such length that when the bar 20 lies against the inner wall of the stali 10 the end of the' plunger will be lauiliciently flush with the end of the nipple 18.

The pen is provided with the usual cap 21 and in the end of this cap is formed an opening 22 wherein is held a cup 23, the cup thus providing a recess in the end of the cap, cup or recess is a pin 24 which is of such size that its point can enter the recess 20'. The length of the pin of the plunger 19.

Fig. 5 g

of said nib holder.

;-stalf 10 which carries atone end .a pen holder -1-1 of the form common in such This holder is provided with the lot-her end open, the opcn end being ofsuch less than the length This' stali is provided concentric with I the opening 16 and thus constituting a nip; 4

the"- is held a plunger wall of the staff 10. This compressor bar serves to limit the outward movementpf the, W e

Projecting centrally from the bottom of said 5 desired to fill the pen the cap is removed and the pin 24 positioned with its end in the recess 20. The cap is then pushed in such a direction as to force the plunger 19 inward, The length of the pin 24 being less than that of the plunger the bottom of the cup or recess will engage with the end of the nipple before said plunger has been forced out of the nipple and opening 16. The point of the pen is then placed in a suitable quantity of ink held in a stand or other convenient. receptacle and the cap re moved. The resiliency of the reservoir 15 will cause said reservoir to expand and draw the ink into the reservoir While at the same time the expansion will force the nipple to resume the position shown in Fig. 2. It is to be observed that when the device is placed in the pocket the nipple 18 prevents the plunger 19 from being pushed in by any pressurr exerted on the end of the nipple. Furthermore, it is to be noted that the pen cannot be left with the ink reservoir collapsed after filling as it will expand as soon as the pen is removed from the ink bottle. It will also be noted that the pen will not roll over a desk even if its surface-be slanting as the projection will prevent this. Still further. by reason of the peculiar arrangement the length of the member 19 need not be long as any other de i'ice of like character since the member 24 acts to push it in the full length. Finally, by this arrang ment the reservoir can be completely cold so that a large quantity of ink can be n thereinto.

I have further provided a novel feed and nib holder for this invention. This nib holder comprises a cylindrical bod portion 25 which fits within an opening 26 made in the holder 11. From this cylindrical portion 25 there extends a flat bar :27 having a notch 28 in its lower edge and a groove 29 extends along the top of the portion 25 and the bar 27. The pen, indicated at- 30, is held between the bar 27 and the wall of the opening or recess 26, the notch 28 serving to give resiliency to the parts while the groove carries the ink to the nib. Furthermore, the flattening of the bar permits the ink to How back and prevents spilling thereof in the pocket.

There has thus been provided a simple and efficient device, of the kind described and for the purpose specified.

Having thus described the invention, what is claimed as new, is

A. fountain pen including a cylindrical hollow barrel, a compressib e resilient reservoir in said barrel, said barrel having an opening therein intermediate the-ends of the reservoir, a tlangesurrounding said opening and extendi'i'ig outward from said barrel to form a nipple, a pinngei movable in said opening and nipple, said plunger being pro vided on its inner end with oppositely disposed lateral Wings extending contiguous with the reservoir throughout substantially the entirelength of the latter anddisposed between said reservoir and the inner wall of the barrel, said wings torming reservoir compressing means and limiting the OM- ward movement of thep'lunger; in combination with a cap for said barrel having l cup in one end to receive said nipple and pin projecting from the bottom of said cup and adapted to pass into said nipple and force the plunger inward, the outer Wall of said flange forming a bearing for the cup and the inner wall of the flange a bearing for the pin during their sliding movement relatively to the flange whereby the pin is positively directed into engagement with the nipple in longitudinal alinement with the latter.

In testimony whereof, I atlix my signature, in presence of two witnesses.

GEORGE RENTZ. Witnesses:

F. M. Han'rz, EDGAR F 'WEsmUN. 

